CN107163408A - A kind of low frequency sound insulation noise attenuation material and its manufacture method - Google Patents
A kind of low frequency sound insulation noise attenuation material and its manufacture method Download PDFInfo
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- CN107163408A CN107163408A CN201710378226.9A CN201710378226A CN107163408A CN 107163408 A CN107163408 A CN 107163408A CN 201710378226 A CN201710378226 A CN 201710378226A CN 107163408 A CN107163408 A CN 107163408A
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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Abstract
A kind of low frequency sound insulation noise attenuation material, including elastomeric polymer, thermoplastic resin, filler and white oil, in terms of every 100 parts by weight elastomeric polymer, include following components in percentage by weight：Thermoplastic resin：50 400 parts；Filler：0 400 parts；White oil：0 200 parts.And a kind of manufacture method of low frequency sound insulation noise attenuation material is provided.The invention provides a kind of cost it is relatively low, make simple, the preferable low frequency sound insulation noise attenuation material of low frequency soundproof effect and its manufacture method, it is adaptable to low-frequency range is 0.5 1KHz.
Description
Technical field
It is more particularly to a kind of to there is good formability and to low frequency sound wave the present invention relates to sound insulation noise attenuation material field
(500-6000Hz) has the elastomeric material and its manufacture method of superior acoustic effect.
Background technology
The acoustic material of open report mainly has three classes both at home and abroad at present：Vacuum glass, micro through hole material and viscoplasticity are more
Layer material.
Vacuum glass is used for the door and window of building, and it is will to be evacuated, then seal in the middle of layer glass.It shows
It is that can completely cut off the noise of air of various frequencies to write advantage.Its shortcoming is also apparent, cost is expensive, structure is heavy, can not cut and
It is not amenable to mechanical oscillation.
For micro through hole material and viscoplasticity multilayer material, its common feature be it is higher to the absorption coefficient of high frequency sound wave,
Absorption to low-frequency sound wave is very poor.Therefore, people have turned to research sight the material that there is superior absorbent to act on to low-frequency sound wave
Material.Generally, with loose structure material obtains particle (such as ceramic particle, metallic particles, plastic grain) hot pressing
Material there is excellent absorption to low frequency sound wave.Vacuum ceramic microballoon is enclosed in visco-elastic material by CN1932972A
Interior, outer surface is covered using fabric lining prepares a kind of material that there is superior absorbent to act on to low frequency sound wave.
The Pb-Zn tailings of different-grain diameter are added in pitch and maltha by CN101423359A, and sound insulation material is pressed into by press
Material.But low frequency acoustic material feel that above-mentioned several method is obtained is poor, quality weight, manufacturing process are complicated, industrialized production is stranded
It is difficult.
Therefore, it is necessary to seek a kind of economic, sound insulating material that making is simple, low frequency soundproof effect is good.
The content of the invention
It is of the invention in order to which the cost for overcoming the shortcomings of existing sound insulating material is higher, it is poor to make complicated, low frequency soundproof effect
There is provided a kind of cost it is relatively low, make simple, the preferable low frequency sound insulation noise attenuation material of low frequency soundproof effect and its manufacture method, fit
It is 0.5-1KHz for low-frequency range.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of low frequency sound insulation noise attenuation material, including elastomeric polymer, thermoplastic resin, filler and white oil, with every 100 weight
Part elastomeric polymer meter is measured, includes following components in percentage by weight：
Thermoplastic resin：50-400 parts
Filler：0-400 parts
White oil：0-200 parts.
Further, in terms of every 100 parts by weight elastomeric polymer, following components in percentage by weight is included：
Thermoplastic resin：50-300 parts
Filler：50-400 parts
White oil：25-150 parts.
It is preferred that, in terms of every 100 parts by weight elastomeric polymer, include following components in percentage by weight：
Thermoplastic resin：75-150 parts
Filler：100-300 parts
White oil：50-100 parts.
Further, the elastomeric polymer be styrene ethylene butadiene triblock copolymer SEBS, styrene-
Butadiene-styrene block copolymer SBS, ethylene propylene diene rubber EPDM or thermoplastic polyester elastomer TPEE.
The thermoplastic resin is polypropylene PP, HDPE, LDPE or LLDPE resin.
The filler is following one or two kinds of and mixed above is：It is talcum powder, glass microballoon, calcium carbonate, mica powder, swollen
Profit soil.
The particle diameter of filler is at 1-20 μm.
The low frequency sound insulation noise attenuation material also includes antioxidant, in terms of every 100 parts by weight elastomeric polymer, the weight of antioxidant
It is 0.1-3 parts to measure part.
The antioxidant is following one or two kinds of mixing：Antioxidant 1010, irgasfos 168.
A kind of manufacture method of low frequency sound insulation noise attenuation material, the manufacture method includes procedure below：
1) elastomeric polymer, thermoplastic resin and filler are well mixed by homogenizer；
2) material mixed is added in double screw extruder from main spout；Meanwhile, will be white by dosage oil pump
Oil is injected into double screw extruder from side spout, extruding pelletization；Preferred 180-210 DEG C of processing temperature；
3) by obtained pellet by injection moulding process, injection temperature is 200-230 DEG C, obtains required low frequency sound insulation noise abatement
Material.
The TPE material of the present invention has heterogeneous structure, and each phase density of states of material internal is different.When sound wave enters
Material internal, can be scattered on each phase surface of material internal, will be held change vibration and be changed into shear-vibration, and enhance material
Interior friction, makes acoustic energy be changed into heat energy.Therefore, this TPE material can have excellent as porous material to low frequency sound wave
Different sound insulation noise reduction effect.
Beneficial effects of the present invention are mainly manifested in：Density with heterogeneous structure and each phase is different.It is this many
The TPE material of phase structure can carry out effective absorption as porous structure material to low frequency sound wave.Simultaneously by changing
Formula and working process parameter, it is possible to increase absorbability of the material to low-frequency sound wave.With traditional low frequency sound insulation noise abatement material
Material is compared, and this acoustic material is easily worked, product good hand touch, with excellent heat endurance, can be widely applied to family, work
The sound insulation of the environment such as work, noise reduction, especially have wide development space in automobile production field.
Embodiment
The invention will be further described below.
Embodiment 1
A kind of low frequency sound insulation noise attenuation material, including elastomeric polymer and thermoplastic resin, it is poly- with every 100 parts by weight elasticity
Compound meter, includes following components in percentage by weight：Thermoplastic resin：50 parts.
The elastomeric polymer is ethylene propylene diene rubber EPDM.
The thermoplastic resin is polypropylene PP.
A kind of manufacture method of low frequency sound insulation noise attenuation material, the manufacture method includes procedure below：
1) 100 parts of elastomeric polymers and 50 parts of thermoplastic resins are well mixed by homogenizer；
2) material mixed is added in double screw extruder from main spout；Extruding pelletization；Processing temperature is preferred
180-210℃；
3) by obtained pellet by injection moulding process, injection temperature is 200-230 DEG C, obtains required low frequency sound insulation noise abatement
Material.
Embodiment 2
A kind of low frequency sound insulation noise attenuation material, including elastomeric polymer, thermoplastic resin, filler and white oil, with every 100 weight
Part elastomeric polymer meter is measured, includes following components in percentage by weight：Thermoplastic resin：75 parts；Filler：50 parts；White oil：25
Part.
The elastomeric polymer is SBS SBS.
The thermoplastic resin is HDPE.
The filler is glass microballoon.
A kind of manufacture method of low frequency sound insulation noise attenuation material, the manufacture method includes procedure below：
1) 100 parts of elastomeric polymers, 75 parts of thermoplastic resins and 50 parts of fillers are well mixed by homogenizer；
2) material mixed is added in double screw extruder from main spout, meanwhile, by dosage oil pump by 25
Part white oil is injected into double screw extruder from side spout, extruding pelletization；Preferred 180-210 DEG C of processing temperature；
3) by obtained pellet by injection moulding process, injection temperature is 200-230 DEG C, obtains required low frequency sound insulation noise abatement
Material.
Embodiment 3
A kind of low frequency sound insulation noise attenuation material, including elastomeric polymer, thermoplastic resin, filler and white oil, with every 100 weight
Part elastomeric polymer meter is measured, includes following components in percentage by weight：Thermoplastic resin：100 parts；Filler：100 parts；White oil：
50 parts.
The elastomeric polymer is styrene ethylene butadiene triblock copolymer SEBS.
The thermoplastic resin is LDPE.
The filler is calcium carbonate.
A kind of manufacture method of low frequency sound insulation noise attenuation material, the manufacture method includes procedure below：
1) 100 parts of elastomeric polymers, 100 parts of thermoplastic resins and 100 parts of fillers are well mixed by homogenizer；
2) material mixed is added in double screw extruder from main spout, meanwhile, by dosage oil pump by 50
Part white oil is injected into double screw extruder from side spout, extruding pelletization；Preferred 180-210 DEG C of processing temperature；
3) by obtained pellet by injection moulding process, injection temperature is 200-230 DEG C, obtains required low frequency sound insulation noise abatement
Material.
Embodiment 4
A kind of low frequency sound insulation noise attenuation material, including elastomeric polymer, thermoplastic resin, filler and white oil, with every 100 weight
Part elastomeric polymer meter is measured, includes following components in percentage by weight：Thermoplastic resin：120 parts；Filler：150 parts；White oil：
75 parts.
The elastomeric polymer is thermoplastic polyester elastomer TPEE.
The thermoplastic resin is LLDPE resins.
The filler is mica powder.
A kind of manufacture method of low frequency sound insulation noise attenuation material, the manufacture method includes procedure below：
1) 100 parts of elastomeric polymers, 120 parts of thermoplastic resins and 150 parts of fillers are well mixed by homogenizer；
2) material mixed is added in double screw extruder from main spout, meanwhile, by dosage oil pump by 75
Part white oil is injected into double screw extruder from side spout, extruding pelletization；Preferred 180-210 DEG C of processing temperature；
3) by obtained pellet by injection moulding process, injection temperature is 200-230 DEG C, obtains required low frequency sound insulation noise abatement
Material.
Embodiment 5
A kind of low frequency sound insulation noise attenuation material, including elastomeric polymer, thermoplastic resin, filler and white oil, with every 100 weight
Part elastomeric polymer meter is measured, includes following components in percentage by weight：Thermoplastic resin：150 parts；Filler：300 parts；White oil：
100 parts.
The elastomeric polymer is styrene ethylene butadiene triblock copolymer SEBS.
The thermoplastic resin is polypropylene PP.
The filler is bentonite.
A kind of manufacture method of low frequency sound insulation noise attenuation material, the manufacture method includes procedure below：
1) 100 parts of elastomeric polymers, 150 parts of thermoplastic resins and 300 parts of fillers are well mixed by homogenizer；
2) material mixed is added in double screw extruder from main spout, meanwhile, by dosage oil pump by 100
Part white oil is injected into double screw extruder from side spout, extruding pelletization；Preferred 180-210 DEG C of processing temperature；
3) by obtained pellet by injection moulding process, injection temperature is 200-230 DEG C, obtains required low frequency sound insulation noise abatement
Material.
Embodiment 6
A kind of low frequency sound insulation noise attenuation material, including elastomeric polymer, thermoplastic resin, filler and white oil, with every 100 weight
Part elastomeric polymer meter is measured, includes following components in percentage by weight：Thermoplastic resin：200 parts；Filler：200 parts；White oil：
120 parts.
The elastomeric polymer is SBS SBS.
The thermoplastic resin is HDPE.
The filler is following two and mixed above is：Talcum powder and glass microballoon.
A kind of manufacture method of low frequency sound insulation noise attenuation material, the manufacture method includes procedure below：
1) 100 parts of elastomeric polymers, 200 parts of thermoplastic resins and 200 parts of fillers are well mixed by homogenizer；
2) material mixed is added in double screw extruder from main spout, meanwhile, by dosage oil pump by 120
Part white oil is injected into double screw extruder from side spout, extruding pelletization；Preferred 180-210 DEG C of processing temperature；
3) by obtained pellet by injection moulding process, injection temperature is 200-230 DEG C, obtains required low frequency sound insulation noise abatement
Material.
Embodiment 7
A kind of low frequency sound insulation noise attenuation material, including elastomeric polymer, thermoplastic resin, filler and white oil, with every 100 weight
Part elastomeric polymer meter is measured, includes following components in percentage by weight：Thermoplastic resin：220 parts；Filler：320 parts；White oil：
150 parts.
The elastomeric polymer is SBS SBS.
The thermoplastic resin is HDPE.
The filler is mixed into be following two：Calcium carbonate, mica powder.
A kind of manufacture method of low frequency sound insulation noise attenuation material, the manufacture method includes procedure below：
1) 100 parts of elastomeric polymers, 220 parts of thermoplastic resins and 320 parts of fillers are well mixed by homogenizer；
2) material mixed is added in double screw extruder from main spout, meanwhile, by dosage oil pump by 150
Part white oil is injected into double screw extruder from side spout, extruding pelletization；Preferred 180-210 DEG C of processing temperature；
3) by obtained pellet by injection moulding process, injection temperature is 200-230 DEG C, obtains required low frequency sound insulation noise abatement
Material.
Embodiment 8
A kind of low frequency sound insulation noise attenuation material, including elastomeric polymer, thermoplastic resin, filler and white oil, with every 100 weight
Part elastomeric polymer meter is measured, includes following components in percentage by weight：Thermoplastic resin：300 parts；Filler：350 parts；White oil：
180 parts.
The elastomeric polymer is ethylene propylene diene rubber EPDM.
The thermoplastic resin is LLDPE resins.
The filler is following three kinds and is mixed into：Talcum powder, glass microballoon and bentonite.
A kind of manufacture method of low frequency sound insulation noise attenuation material, the manufacture method includes procedure below：
1) 100 parts of elastomeric polymers, 300 parts of thermoplastic resins and 350 parts of fillers are well mixed by homogenizer；
2) material mixed is added in double screw extruder from main spout, meanwhile, by dosage oil pump by 180
Part white oil is injected into double screw extruder from side spout, extruding pelletization；Preferred 180-210 DEG C of processing temperature；
3) by obtained pellet by injection moulding process, injection temperature is 200-230 DEG C, obtains required low frequency sound insulation noise abatement
Material.
Embodiment 9
A kind of low frequency sound insulation noise attenuation material, including elastomeric polymer, thermoplastic resin, filler and white oil, with every 100 weight
Part elastomeric polymer meter is measured, includes following components in percentage by weight：Thermoplastic resin：400 parts；Filler：400 parts；White oil：
200 parts.
The elastomeric polymer is thermoplastic polyester elastomer TPEE.
The thermoplastic resin is LDPE.
The filler is mixed into for following four：Glass microballoon, calcium carbonate, mica powder and bentonite.
A kind of manufacture method of low frequency sound insulation noise attenuation material, the manufacture method includes procedure below：
1) 100 parts of elastomeric polymers, 400 parts of thermoplastic resins and 400 parts of fillers are well mixed by homogenizer；
2) material mixed is added in double screw extruder from main spout, meanwhile, by dosage oil pump by 200
Part white oil is injected into double screw extruder from side spout, extruding pelletization；Preferred 180-210 DEG C of processing temperature；
3) by obtained pellet by injection moulding process, injection temperature is 200-230 DEG C, obtains required low frequency sound insulation noise abatement
Material.
Embodiment 10
A kind of low frequency sound insulation noise attenuation material, including elastomeric polymer, thermoplastic resin, filler, white oil and antioxidant, with every
100 parts by weight elastomeric polymer meters, include following components in percentage by weight：Thermoplastic resin：200 parts；Filler：250 parts；
White oil：100 parts；Antioxidant：3 parts.
The elastomeric polymer is thermoplastic polyester elastomer TPEE.
The thermoplastic resin is LDPE.
The filler is following three kinds and is mixed into：Calcium carbonate, mica powder and bentonite.
The antioxidant is antioxidant 1010.
A kind of manufacture method of low frequency sound insulation noise attenuation material, the manufacture method includes procedure below：
1) 100 parts of elastomeric polymers, 200 parts of thermoplastic resins and 250 parts of fillers are well mixed by homogenizer；
2) material mixed is added in double screw extruder from main spout, meanwhile, by dosage oil pump by 100
Part white oil and 3 parts of antioxidant are injected into double screw extruder from side spout, extruding pelletization；The preferred 180-210 of processing temperature
℃；
3) by obtained pellet by injection moulding process, injection temperature is 200-230 DEG C, obtains required low frequency sound insulation noise abatement
Material.
Embodiment 11
A kind of low frequency sound insulation noise attenuation material, including elastomeric polymer, thermoplastic resin, filler, white oil and antioxidant, with every
100 parts by weight elastomeric polymer meters, include following components in percentage by weight：Thermoplastic resin：220 parts；Filler：200 parts；
White oil：100 parts；Antioxidant：1.5 part.
The elastomeric polymer is thermoplastic polyester elastomer TPEE.
The thermoplastic resin is LDPE.
The filler is mixed into be following two：Mica powder and bentonite.
The antioxidant is irgasfos 168.
A kind of manufacture method of low frequency sound insulation noise attenuation material, the manufacture method includes procedure below：
1) 100 parts of elastomeric polymers, 220 parts of thermoplastic resins and 200 parts of fillers are well mixed by homogenizer；
2) material mixed is added in double screw extruder from main spout, meanwhile, by dosage oil pump by 100
Part white oil and 1.5 parts of antioxidant are injected into double screw extruder from side spout, extruding pelletization；The preferred 180- of processing temperature
210℃；
3) by obtained pellet by injection moulding process, injection temperature is 200-230 DEG C, obtains required low frequency sound insulation noise abatement
Material.
Embodiment 12
A kind of low frequency sound insulation noise attenuation material, including elastomeric polymer, thermoplastic resin, filler, white oil and antioxidant, with every
100 parts by weight elastomeric polymer meters, include following components in percentage by weight：Thermoplastic resin：150 parts；Filler：200 parts；
White oil：100 parts；Antioxidant：0.1 part.
The elastomeric polymer is thermoplastic polyester elastomer TPEE.
The thermoplastic resin is LDPE.
The filler is mica powder.
The antioxidant is irgasfos 168.
A kind of manufacture method of low frequency sound insulation noise attenuation material, the manufacture method includes procedure below：
1) 100 parts of elastomeric polymers, 150 parts of thermoplastic resins and 200 parts of fillers are well mixed by homogenizer；
2) material mixed is added in double screw extruder from main spout, meanwhile, by dosage oil pump by 100
Part white oil and 0.1 part of antioxidant are injected into double screw extruder from side spout, extruding pelletization；The preferred 180- of processing temperature
210℃；
3) by obtained pellet by injection moulding process, injection temperature is 200-230 DEG C, obtains required low frequency sound insulation noise abatement
Material.
Table 1 is the soundproof effect test result table of each embodiment：
Table 1
As shown in Table 1, the sound insulation noise attenuation material that the present invention is prepared has very strong sound wave barriering effect, and with heat
Plastic resin content increases, soundproof effect enhancing；The addition of white oil can micro enhancing soundproof effect；The increase of filler can increase
Strong soundproof effect, the enhancing effect of mica powder is optimal.
The explanation of above example is only intended to help and understands the inventive method and its core concept.It should be pointed out that for
For those skilled in the art, under the premise without departing from the principles of the invention, if can also be to present invention progress
Dry to improve and modify, these are improved and modification is also fallen into the claims in the present invention protection domain.
Claims (10)
1. a kind of low frequency sound insulation noise attenuation material, it is characterised in that：Including elastomeric polymer, thermoplastic resin, filler and white oil,
In terms of every 100 parts by weight elastomeric polymer, include following components in percentage by weight：
Thermoplastic resin：50-400 parts
Filler：0-400 parts
White oil：0-200 parts.
2. a kind of low frequency sound insulation noise attenuation material as claimed in claim 1, it is characterised in that：With every 100 parts by weight flexible polymer
Thing meter, includes following components in percentage by weight：
Thermoplastic resin：50-300 parts
Filler：50-400 parts
White oil：25-150 parts.
3. a kind of low frequency sound insulation noise attenuation material as claimed in claim 2, it is characterised in that：With every 100 parts by weight flexible polymer
Thing meter, includes following components in percentage by weight：
Thermoplastic resin：75-150 parts
Filler：100-300 parts
White oil：50-100 parts.
4. a kind of low frequency sound insulation noise attenuation material as described in one of claims 1 to 3, it is characterised in that：The elastomeric polymer
For styrene ethylene butadiene triblock copolymer SEBS, SBS SBS, ternary second
Third rubber EPDM or thermoplastic polyester elastomer TPEE.
5. a kind of low frequency sound insulation noise attenuation material as described in one of claims 1 to 3, it is characterised in that：The thermoplastic resin
For polypropylene PP, HDPE, LDPE or LLDPE resin.
6. a kind of low frequency sound insulation noise attenuation material as described in one of claims 1 to 3, it is characterised in that：The filler is following
It is one or two kinds of and mixed above be：Talcum powder, glass microballoon, calcium carbonate, mica powder, bentonite.
7. a kind of low frequency sound insulation noise attenuation material as claimed in claim 6, it is characterised in that：The particle diameter of filler is at 1-20 μm.
8. a kind of low frequency sound insulation noise attenuation material as described in one of claims 1 to 3, it is characterised in that：The low frequency sound insulation subtracts
Material of making an uproar also includes antioxidant, in terms of every 100 parts by weight elastomeric polymer, and the parts by weight of antioxidant are 0.1~3 part.
9. a kind of low frequency sound insulation noise attenuation material as claimed in claim 8, it is characterised in that：The antioxidant to be following a kind of or
Two kinds of mixing：Antioxidant 1010, irgasfos 168.
10. a kind of manufacture method of low frequency sound insulation noise attenuation material as claimed in claim 1, it is characterised in that：The manufacturer
Method includes procedure below：
1) elastomeric polymer, thermoplastic resin and filler are well mixed by homogenizer；
2) material mixed is added in double screw extruder from main spout；Meanwhile, by dosage oil pump by white oil from
Side spout is injected into double screw extruder, extruding pelletization；Preferred 180-210 DEG C of processing temperature；
3) by obtained pellet by injection moulding process, injection temperature is 200-230 DEG C, obtains required low frequency sound insulation noise abatement material
Material.
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| CN108395662A (en) * | 2018-02-27 | 2018-08-14 | 广东金源科技股份有限公司 | A kind of environmental protection gas mask TPE material and preparation method thereof |
| CN110845217A (en) * | 2019-11-27 | 2020-02-28 | 衡阳阳光陶瓷有限公司 | Sound-absorbing and noise-reducing ceramic processing technology |
| CN111234375A (en) * | 2020-01-13 | 2020-06-05 | 南方科技大学 | Sound absorption and noise reduction material, preparation method and application thereof |
| CN111334002A (en) * | 2020-04-26 | 2020-06-26 | 湖南翰坤实业有限公司 | Earplug manufacturing material and preparation method thereof |
| CN112694674A (en) * | 2021-01-22 | 2021-04-23 | 佩尔哲汽车内饰系统(太仓)有限公司 | New energy automobile motor wrapping system and injection molding method thereof |
| CN114835966A (en) * | 2022-06-02 | 2022-08-02 | 南京中远高分子材料科技有限公司 | Ultralow frequency soundproof cotton, production process thereof and production detection device |
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| CN114835966A (en) * | 2022-06-02 | 2022-08-02 | 南京中远高分子材料科技有限公司 | Ultralow frequency soundproof cotton, production process thereof and production detection device |
| CN114835966B (en) * | 2022-06-02 | 2024-02-06 | 南京中远高分子材料科技有限公司 | Ultralow-frequency soundproof cotton, production process thereof and production detection device |
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